PLAYER PAGE
Duvan Van Der Merwe
1150147675Tshwane (GTP)Personal
Main rating
| Rating | 1341.1 |
| K-factor | 36 |
| Floor | 758.7 |
| Highest | 1382.2 (2022-10-01) |
| Min/Max +/- allowed | 128 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1315 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1341.1 |
| K-factor | 36 |
| Floor | 758.7 |
| Highest | 1382.2 (2022-10-01) |
| Min/Max +/- allowed | 127.9 |
Standard rating
| Rating | 1341.1 |
| K-factor | 36 |
| Floor | 771.6 |
| Highest | 1382.1 (2022-10-01) |
| Min/Max +/- allowed | 127.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1315 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1341.1 |
| K-factor | 36 |
| Floor | 771.6 |
| Highest | 1382.1 (2022-10-01) |
| Min/Max +/- allowed | 127.9 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Chris Greyling Open Tournament (U12) | Standard | 2026-03-14 | 2026-03-14 | Tshwane (GTP) | 5 | 1258.7 | 5 | 3 | 1484.6 | 38.2 | Details |
| 2 | 2026 Constantiapark Open Chess Tournament (U12) | Standard | 2026-02-14 | 2026-02-14 | Tshwane (GTP) | 5 | 1205 | 5 | 3 | 1356.3 | 14.1 | Details |
| 3 | 2026 Tshwane Chess Registration Tournament (U12-1) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1205 | 5 | 3 | 1522.1 | 16.4 | Details |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1221.4 | 4 | 0.5 | 960.2 | -23.1 | Details |
| 5 | 2025 Midstream Open Chess Tournament (U12) | Standard | 2025-08-25 | 2025-08-25 | Tshwane (GTP) | 5 | 1207.2 | 5 | 1 | 1081.5 | -11.8 | Details |
| 6 | 2025 Tshwane South School District CLOSED League Championship (U11A) | Standard | 2025-08-15 | 2025-08-15 | Tshwane (GTP) | 5 | 1207.2 | 5 | 1 | 1149.8 | -5.6 | Details |
| 7 | 2025 Etienne Lewis Closed Chess Tournament (U12) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1207.2 | 7 | 3.5 | 1377.4 | 25.3 | Details |
| 8 | 2025 Elise Steenkamp Open Chess Tournament (Bishop) | Standard | 2025-06-14 | 2025-06-15 | Tshwane (GTP) | 5 | 1220.4 | 5 | 1.5 | 1097.1 | -12.9 | Details |
| 9 | 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) | Standard | 2025-05-10 | 2025-05-10 | Tshwane (GTP) | 5 | 1208.9 | 5 | 2 | 1268.8 | 6.5 | Details |
| 10 | 2025 KSNG Open (U12) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1209 | 4 | 0 | 1031.2 | -14.1 | Details |
| 11 | 2025 Tshwane Chess OPEN Registration Tournament (U12) | Standard | 2025-01-25 | 2025-01-25 | Tshwane (GTP) | 5 | 1179.1 | 5 | 2 | 1221.4 | 4.6 | Details |
| 12 | Lardies Ope 2024 (U10) | Standard | 2024-10-26 | 2024-10-26 | Tshwane (GTP) | 5 | 1188.4 | 5 | 2 | 1143.8 | -5.1 | Details |
| 13 | D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A) | Standard | 2024-08-03 | 2024-08-03 | Tshwane (GTP) | 5 | 1213.2 | 5 | 1 | 1081.8 | -13.8 | Details |
| 14 | 2024 Silver Lakes Open Chess Tournament (E) | Standard | 2024-04-20 | 2024-04-20 | Tshwane (GTP) | 5 | 1246.1 | 5 | 2 | 1052.5 | -18.3 | Details |
| 15 | 2024 Chris Greyling Open Chess Tournament (E) | Standard | 2024-03-16 | 2024-03-16 | Tshwane (GTP) | 5 | 1232.7 | 5 | 3 | 1300.9 | 7.5 | Details |
| 16 | 2024 Constantiapark Open (E) | Standard | 2024-02-17 | 2024-02-17 | Tshwane (GTP) | 5 | 1234.5 | 5 | 2.5 | 1216.8 | -1 | Details |
| 17 | Lardies Tournament 2022 (U8) | Standard | 2022-10-29 | 2022-10-29 | Tshwane (GTP) | 5 | 1200 | 5 | 3.5 | 1369.1 | 17.3 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 15 |
| Wins | 9 |
| Draws | 0 |
| Losses | 6 |
| White | 9 |
| Black | 6 |
| White wins | 7 |
| Black wins | 2 |
| Score | 9 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1369.3 |
| Performance | 1454.3 |
Game statistics (History)
| Games | 85 |
| Wins | 31 |
| Draws | 7 |
| Losses | 47 |
| White | 41 |
| Black | 44 |
| White wins | 16 |
| Black wins | 15 |
| Score | 34.5 |
| Percent | 40.6 |
| Dp | -80 |
| AOR | 1307.5 |
| Performance | 1227.5 |
Rankings (Main)
| National | |
| Overall | 4988 |
| Gender | 4140 |
| Age group | 459 |
| Gender/Age | 349 |
| Provincial | |
| Overall | 1685 |
| Gender | 1394 |
| Age group | 160 |
| Gender/Age | 129 |
| Regional | |
| Overall | 588 |
| Gender | 478 |
| Age group | 57 |
| Gender/Age | 42 |
Rankings (Standard)
| National | |
| Overall | 4483 |
| Gender | 3708 |
| Age group | 441 |
| Gender/Age | 341 |
| Provincial | |
| Overall | 1587 |
| Gender | 1317 |
| Age group | 160 |
| Gender/Age | 133 |
| Regional | |
| Overall | 584 |
| Gender | 478 |
| Age group | 58 |
| Gender/Age | 44 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 15 |
| Score | 9 |
| Percent | 60 |
| Aor | 1369.3 |
| Dp | 85 |
| Prat | 1454.3 |
Performance (12 months)
| Games | 41 |
| Score | 16.5 |
| Percent | 40.2 |
| Aor | 1349.8 |
| Dp | -82.9 |
| Prat | 1266.8 |
Performance (History)
| Games | 85 |
| Score | 34.5 |
| Percent | 40.6 |
| Aor | 1307.5 |
| Dp | -80 |
| Prat | 1227.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Li, J (Jiming) | 5 | 1 | 4 | 2024 Chris Greyling Open Chess Tournament (E) | 2026 Constantiapark Open Chess Tournament (U12) | Details |
| Overall | 2 | Vosloo, L (Leja) | 2 | 1 | 1 | 2025 Tshwane Chess OPEN Registration Tournament (U12) | 2025 Etienne Lewis Closed Chess Tournament (U12) | Details |
| Overall | 3 | Vounatsos, L (Levi) | 2 | 1 | 1 | 2025 Tshwane Chess OPEN Registration Tournament (U12) | 2026 Tshwane Chess Registration Tournament (U12-1) | Details |
| Overall | 4 | Swart, E (Eben) | 2 | 2 | 0 | 2024 Constantiapark Open (E) | 2026 Tshwane Chess Registration Tournament (U12-1) | Details |
| Overall | 5 | Venter, S (Stephan) | 2 | 0 | 2 | 2024 Constantiapark Open (E) | Lardies Ope 2024 (U10) | Details |
| Standard | 1 | Li, J (Jiming) | 5 | 1 | 4 | 2024 Chris Greyling Open Chess Tournament (E) | 2026 Constantiapark Open Chess Tournament (U12) | Details |
| Standard | 2 | Dixon, G (Genevieve) | 2 | 1 | 1 | 2025 Etienne Lewis Closed Chess Tournament (U12) | 2025 Midstream Open Chess Tournament (U12) | Details |
| Standard | 3 | Vosloo, L (Leja) | 2 | 1 | 1 | 2025 Tshwane Chess OPEN Registration Tournament (U12) | 2025 Etienne Lewis Closed Chess Tournament (U12) | Details |
| Standard | 4 | Fourie, M (Marchant) | 2 | 1 | 1 | 2025 Etienne Lewis Closed Chess Tournament (U12) | 2026 Constantiapark Open Chess Tournament (U12) | Details |
| Standard | 5 | Kleynhans, M (Magnus) | 2 | 2 | 0 | 2025 Tshwane South School District Individual Finals (D4) (U11 Boys) | 2025 Tshwane South School District CLOSED League Championship (U11A) | Details |